Underground Buzzer System
This buzzer system is the original system in the underground area of the Orphan Girl Mine at the World Museum of Mining. Note the word “Buzzer” on the left.
mine shaft
Nearth Death Tunnel Experience
When you’re in an old mine and someone tells you not to step in a certain pile of dirt, you don’t. Or so I learned from a near near-death experience. At the bottom of this 4-story ladder I stepped on the board I was told to. On the way back up one of my feet …